B22F
Working metallic powder
Official title: Working metallic powder; manufacture of articles from metallic powder; making metallic powder (making alloys by powder metallurgy c22c); apparatus or devices specially adapted for metallic powder
B22F (Working metallic powder) appears on 24,643 US grants and 29,274 published applications in this corpus.
Search patents in B22F- Granted patents
- 24,643
- Published applications
- 29,274
- Assignees
- 7,235
- Inventors
- 47,184
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 152 | 0 |
| 1977 | 154 | 0 |
| 1978 | 152 | 0 |
| 1979 | 97 | 0 |
| 1980 | 131 | 0 |
| 1981 | 144 | 0 |
| 1982 | 120 | 0 |
| 1983 | 156 | 0 |
| 1984 | 180 | 0 |
| 1985 | 162 | 0 |
| 1986 | 203 | 0 |
| 1987 | 213 | 0 |
| 1988 | 243 | 0 |
| 1989 | 269 | 0 |
| 1990 | 283 | 0 |
| 1991 | 254 | 0 |
| 1992 | 231 | 0 |
| 1993 | 217 | 0 |
| 1994 | 250 | 0 |
| 1995 | 242 | 0 |
| 1996 | 248 | 0 |
| 1997 | 243 | 0 |
| 1998 | 305 | 0 |
| 1999 | 362 | 0 |
| 2000 | 356 | 0 |
| 2001 | 382 | 98 |
| 2002 | 387 | 401 |
| 2003 | 406 | 449 |
| 2004 | 335 | 574 |
| 2005 | 241 | 488 |
| 2006 | 282 | 577 |
| 2007 | 276 | 635 |
| 2008 | 255 | 662 |
| 2009 | 324 | 664 |
| 2010 | 455 | 814 |
| 2011 | 410 | 769 |
| 2012 | 468 | 779 |
| 2013 | 460 | 863 |
| 2014 | 555 | 840 |
| 2015 | 608 | 1167 |
| 2016 | 671 | 1403 |
| 2017 | 791 | 1631 |
| 2018 | 932 | 1891 |
| 2019 | 1216 | 1975 |
| 2020 | 1437 | 2040 |
| 2021 | 1478 | 2306 |
| 2022 | 1523 | 2214 |
| 2023 | 1585 | 1938 |
| 2024 | 1617 | 1771 |
| 2025 | 1393 | 1358 |
| 2026 | 789 | 967 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- B22F 3/00Manufacture of workpieces or articles from metallic powder characterised by the manner8,630
- B22F 2998/00Supplementary information concerning processes or compositions relating to powder metallurgyIndexing code7,943
- B22F 10/00Additive manufacturing of workpieces or articles from metallic powder7,316
- B22F 1/00Metallic powder6,945
- B22F 2999/00Aspects linked to processes or compositions used in powder metallurgyIndexing code6,303
- B22F 9/00Making metallic powder or suspensions thereof5,268
- B22F 5/00Manufacture of workpieces or articles from metallic powder characterised by the special4,663
- B22F 12/00Apparatus or devices specially adapted for additive manufacturing4,402
All 18 main groupsShow fewer
- B22F 7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering4,144
- B22F 2301/00Metallic composition of the powder or its coatingIndexing code2,300
- B22F 2304/00Physical aspects of the powderIndexing code879
- B22F 2302/00Metal compound, non-metallic compound or non-metal composition of the powder or itsIndexing code767
- B22F 2201/00Treatment under specific atmosphereIndexing code727
- B22F 2202/00Treatment under specific physical conditionsIndexing code465
- B22F 2203/00ControllingIndexing code297
- B22F 2207/00Aspects of the compositions, gradientsIndexing code273
- B22F 2303/00Functional details of metal or compound in the powder or productIndexing code155
- B22F 8/00Manufacture of articles from scrap or waste metal particles89
Recent patents
- Method for producing Na containing oxide, and Na containing oxide6 Oct 2026US 12,752,339 B2Toyota Jidosha Kabushiki Kaisha
- Reactive metal powders in-flight heat treatment processes6 Oct 2026US 12,752,340 B2AP&C Advanced Powders & Coatings, Inc.
- Three-dimensional printing with polyolefin and metal or metal oxide build materials6 Oct 2026US 12,752,341 B2Peridot Print LLC
- Composite powder with iron based particles coated with graphene material6 Oct 2026US 12,752,342 B2GraphMaTech AB
- Device for the generative manufacturing of components, in particular by means of selective melting or sintering6 Oct 2026US 12,752,343 B2Kurtz GmbH
- Systems and methods for orthodontic bracket design8 Oct 2026US 2026/0306219 A1LightForce Orthodontics, Inc.
- Lithium metal powder, lithium metal anode, lithium ion battery, and preparation methods thereof8 Oct 2026US 2026/0307141 A1Xi An Technological University
- Composite copper particles, method for producing same, and use of same8 Oct 2026US 2026/0307142 A1Ishihara Sangyo Kaisha, Ltd.
- Copper paste8 Oct 2026US 2026/0307143 A1Material Concept, Inc.
- Iron-based mixed powder and oxygen reactant8 Oct 2026US 2026/0307144 A1Jfe Steel Corporation
Most cited
By later US patents
- Injection molded anvils1,507US 5,308,576 AUnited States Surgical Corporation · 1994
- Three-dimensional printing techniques1,084US 5,204,055 AMassachusetts Institute of Technology · 1993
- Multiple electrode ablation apparatus1,035US 5,536,267 AZoMed International · 1996
- Method and apparatus for producing parts by selective sintering887US 4,863,538 ABoard of Regents, The University of Texas System · 1989
- Apparatus and method for creating three-dimensional objects880US 5,121,329 AStratasys, Inc. · 1992